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Finding the Fourth Proportional to 169,950.80, 254,696.57 and 64,712.36

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Solution

The fourth proportional to 169,950.80, 254,696.57 and 64,712.36 is: 96,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,950.80 : 254,696.57 = 64,712.36 : x
  2. Step 2: Convert to fraction form
    169,950.80/254,696.57 = 64,712.36/x
  3. Step 3: Cross multiply
    169,950.80x = 254,696.57 × 64,712.36
  4. Step 4: Simplify right side
    169,950.80x = 16,482,016,437.12
  5. Step 5: Solve for x
    x = 16,482,016,437.12/169,950.80
  6. Step 6: Final answer
    x = 96,981.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.